地磁场传感器及其在飞行体姿态 测量中的应用

　Aim　Tostudyattitudemeasurementmethodofflightbodyandattitudemeasurementprincipleoftheearthmagneticfieldsensor.Tosetuptheattitudedetectingmathsmodeloftheearthmagneticfieldsensor,andproposetheflightbodyattitudecalculatingmethod.MethodsAccordingtoFaradayelectromagnetisminductionlaw,i.e.whenawireloopincisesthemagneticforcelineoftheearthmagneticfield,itwillbringabouttheinductionelectromotiveforce,anattitudemeasurementsystemwasdesignedbasedontheearthmagneticfieldsensor.ResultsAnearthmagneticfieldsensorandattitudemeasuringsystemweredesigned,andexperimentdatawereanalyzedandprocessed.Itwasprovedthattherotatingspeedmeasurementerroris0.05r/s.ConclusionThisearthmagneticfieldsensorcanbeusedtodetectattitudeofhigh-loadrotatingflightbody.